Hygienic Practices of Vendors and Their Contribution to Coliform, Salmonella, and Shigella Bacteria of Raw Milk at Asella Town, Oromia, Ethiopia

Table 1

Biochemical used to identify the bacteria.

Biochemical tests	Isolates
	Klebsiella spp.	E. coli	Enterobacter spp.	Citrobacter spp.	Serratia spp.	Shigella spp.	Salmonella spp.
Lactose	LF	LF	LF	LF	LF	NLF	NLF
Indole	Pos/Neg	Pos	Pos/Neg	Neg	Neg	Neg	Pos/Neg
Mannitol	MF	MF	MF	MF	MF	MF	MF
Urease	Pos	Neg	Neg	Pos/Neg	Pos	Neg	Pos/Neg
Citrate	Pos	Neg	Pos	Pos	Pos	Pos/Neg	Pos
H2S	Neg	Neg	Neg	Pos	Neg	Neg	Pos
Motility	Neg	Pos	Pos	Pos	Pos	Neg	Pos
Gas	Pos	Pos	Pos	Pos	Neg	Pos	Neg
LDC	Pos	Pos	Neg	Neg	Pos	Pos/Neg	Pos/Neg

Key: Pos: positive; Neg: negative; LDC: lysine decarboxylase; LF: lactose fermenter; NLF: nonlactose fermenter; MF: mannitol ferment; H2S: hydrogen sulfide.